A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5855-00-089-3974
NSN 5996-00-960-0103
NSN 6645-01-150-9847
NSN 5905-00-477-0090
NSN 6650-01-363-4808
NSN 5945-01-103-4640
NSN 6220-00-498-8098
NSN 7035-01-539-7074
NSN 5945-00-187-7764
NSN 7035-00-549-2722
NSN 5835-01-550-5094
NSN 6685-00-207-4214